6469632 has 144 divisors (see below), whose sum is σ = 20868120. Its totient is φ = 1990656.

The previous prime is 6469579. The next prime is 6469637. The reversal of 6469632 is 2369646.

6469632 is a `hidden beast` number, since 646 + 9 + 6 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×6469632² = 83712276430848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a d-powerful number, because it can be written as 6 + 4⁴ + 6³ + 9⁴ + 6⁸ + 3¹⁴ + 2³ .

Its product of digits (46656) is a multiple of the sum of its prime divisors (18).

It is a nialpdrome in base 12.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6469637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 497658 + ... + 497670.

Almost surely, 2^6469632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6469632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10434060).

6469632 is an abundant number, since it is smaller than the sum of its proper divisors (14398488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6469632 is an equidigital number, since it uses as much as digits as its factorization.

6469632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50 (or 18 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 6469632 is about 2543.5471295024. The cubic root of 6469632 is about 186.3344658398.

It can be divided in two parts, 64 and 69632, that added together give a palindrome (69696).

The spelling of 6469632 in words is "six million, four hundred sixty-nine thousand, six hundred thirty-two".